Am older thread but I found it most useful. My CG63 has a front sight that takes the Lyman 20/Anshutz inserts. I bought a set that has muliple types. If it isn't okay to post this picture then please moderator remove. I am having issues getting a full circle view through the back diopter orffice. I have tried some solutions but still get a flat edge to the sight picture on one side.
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